var list = [
		{
			"id": 1,
			"title": "问卷调查1",
			"state": 1,
			"stateName": "发布中",
			"time": "2018-07-01",
			"questions": [
				{
					"type": "radio",
					"topic": "单选题",
					"options": ["选项1","选项2","选项3","选项4"]
				},
				{
					"type": "checkbox",
					"topic": "多选题",
					"options": ["选项1","选项2","选项3","选项4"]
				},
				{
					"type": "textarea",
					"topic": "文本题",
					"isMandatory": false
				}
			]
		},
		{
			"id": 2,
			"title": "问卷调查2",
			"state": 0,
			"stateName": "未发布",
			"time": "2018-09-01",
			"questions": [
				{
					"type": "radio",
					"topic": "单选题",
					"options": ["选项1","选项2","选项3","选项4"]
				},
				{
					"type": "checkbox",
					"topic": "多选题",
					"options": ["选项1","选项2","选项3","选项4"]
				},
				{
					"type": "textarea",
					"topic": "文本题",
					"isMandatory": false
				}
			]
		},
		{
			"id": 3,
			"title": "问卷调查3",
			"state": 0,
			"stateName": "未发布",
			"time": "2018-06-01",
			"questions": [
				{
					"type": "radio",
					"topic": "单选题",
					"options": ["选项1","选项2","选项3","选项4"]
				},
				{
					"type": "checkbox",
					"topic": "多选题",
					"options": ["选项1","选项2","选项3","选项4"]
				},
				{
					"type": "textarea",
					"topic": "文本题",
					"isMandatory": false
				}
			]
		},
		{
			"id": 4,
			"title": "问卷调查4",
			"state": 2,
			"stateName": "已结束",
			"time": "2018-03-01",
			"questions": [
				{
					"type": "radio",
					"topic": "单选题",
					"options": ["选项1","选项2","选项3","选项4"]
				},
				{
					"type": "checkbox",
					"topic": "多选题",
					"options": ["选项1","选项2","选项3","选项4"]
				},
				{
					"type": "textarea",
					"topic": "文本题",
					"isMandatory": false
				}
			]
		},
		{
			"id": 5,
			"title": "问卷调查5",
			"state": 2,
			"stateName": "已结束",
			"time": "2018-01-01",
			"questions": [
				{
					"type": "radio",
					"topic": "单选题",
					"options": ["选项1","选项2","选项3","选项4"]
				},
				{
					"type": "checkbox",
					"topic": "多选题",
					"options": ["选项1","选项2","选项3","选项4"]
				},
				{
					"type": "textarea",
					"topic": "文本题",
					"isMandatory": false
				}
			]
		},
		{
			"id": 6,
			"title": "问卷调查6",
			"state": 2,
			"stateName": "已结束",
			"time": "2018-01-01",
			"questions": [
				{
					"type": "radio",
					"topic": "单选题",
					"options": ["选项1","选项2","选项3","选项4"]
				},
				{
					"type": "checkbox",
					"topic": "多选题",
					"options": ["选项1","选项2","选项3","选项4"]
				},
				{
					"type": "textarea",
					"topic": "文本题",
					"isMandatory": false
				}
			]
		}
	];


var template = {
			radio: {
					"type": "radio",
					"topic": "单选题",
					"options": ["选项1","选项2","选项3","选项4"]
				},
			checkbox: {
					"type": "checkbox",
					"topic": "多选题",
					"options": ["选项1","选项2","选项3","选项4"]
				},
			textarea: {
					"type": "textarea",
					"topic": "文本题",
					"isMandatory": false
				}
		};

var date = function(year, month) {
	// 若未传入参数或参数不完整 即获取当月的数据
	if (year === undefined || month === undefined) {
		let today = new Date();
		year = today.getFullYear();
		month = today.getMonth();
	}

	// 获取该月第一天和该天是礼拜几
	var firstDay = new Date(year, month, 1);
	var firstDayWeekday = firstDay.getDay() || 7;

	// 获取该月最后一天日期和该天是礼拜几
	var lastDay = new Date(year, month+1, 0);
	var lastDate = lastDay.getDate();


	// 获取上个月需显示天数和上月最后一天日期
	var lastDayOfPrevMonth = new Date(year, month, 0);
	var lastDateOfPrevMonth = lastDayOfPrevMonth.getDate();
	var prevMonthDayCount = firstDayWeekday - 1; 	 // 日历起始日为星期一
	// var prevMonthDayCount = firstDayWeekday; // 日历起始日为星期日

	var count = 0;
	var dayArr = [];
	var weekArr = [];

	for (let j = 0; j < 6; j++) {
		for (let i = 0;  i < 7; i++) {
			count++;
			let showDate,
			 	showMonth,
			  	date = count - prevMonthDayCount;

			if (date <= 0) {
				// 上个月
				showDate = lastDateOfPrevMonth + date;
				showMonth = month;
			}
			else if (date > lastDate) {
				// 下个月
				showDate = date - lastDate;
				showMonth = month + 2;
			}
			else {
				showDate = date;
				showMonth = month + 1;
			}

			if (showMonth >= 13) showMonth = 1;
			if (showMonth <= 0) showMonth = 12;

			dayArr.push({
				date: date,
				month: showMonth,
				showDate: showDate
			});
		}
		weekArr.push(dayArr.slice());
		dayArr.length = 0;
	}

	// 重新获取当前年月 以确保数据准确
	year = firstDay.getFullYear();
	month = firstDay.getMonth() + 1;

	// 此处的 flag 是用来判断最后一周是不是全部属于下个月 是则移除最后一周
	var flag = weekArr[5].every( item => item.month !== month);
	if (flag) {
		weekArr.pop();
	}

	return {
		year: year,
		month: month,
		weeks: weekArr
	};
};


export default {
	list,
	date,
	template
}

